fbi billboards are now up in new york's times square in hopes of visiting delegates to the u.n.'s general assembly will see them. >> what makes you think that he is still alive? >> i just believe it in my heart. i know that from the video that he has lost weight and hopefully all of his health problems are at least at bay and he will be able to get home safely to us. i can never lose hope. >> please help me get home. 33 years of service to the united states deserves something. >> what gives you hope when you look at that video and see how he looks? >> i know when he looks determined, and he looked very determined to make it home safe and sound. >> her husband has missed walking one of his daughters down the aisle. another daughter's wedding is in february. >> his closet is still full of his clothes and i know it won't fit him anymore. and i haven't even touched his dresser. every morning i'm reminded that the nightmare continues. >> if he is able to see this what do you want the say directly to him? >> we will never, ever, ever stop looking for you. i miss you every day. love you